My switching regulator for my ultiboard 1.5.7 to replace the 7812 linear regulator.

3D Printing
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My switching regulator for my ultiboard 1.5.7 to replace the 7812 linear regulator. Has a trim out to adjust the juice

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Cost?

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$25 yeah i know but its up to 4a and voltage is adjustable. ebay has another type that has a heat sink and set voltages for 6 bucks. but i wanted to play with this. this is the equivelant to the zeus mini that is only sold in the uk.

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I always keep a couple of these at hand: http://www.ebay.com/itm/ESY1-LM2596-DC-DC-Adjustable-Power-Step-down-Module-Output-1-5-35V-Input-4-5-40V-/141047197560?pt=US_Audio_Cables_Adapters&hash=item20d7116f78
They’re fine for just about anything, but most importantly, they’re dirt cheap.

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http://www.ebay.com/itm/121026036348?var=420106190977&ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649 here are the others

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I wanted the simplicity of a drop in replacement